ST. LOUIS, MO May 22, 2017 - On May 10, 2017, the U.S. Patent and Trademark Office (USPTO) confirmed the validity of U.S. Patent 9,144,700 entitled “Fire Protection Systems Having Reduced Corrosion” directed to the Dry Pipe Nitrogen Inerting ...
Sprinkler Ice Plugs Automatic fire sprinkler systems that are used in cold storage freezer installations present unique problems that require specialized design considerations regarding corrosion and potential ice plug obstructions. Historically, ...
Dry Pipe Nitrogen Inerting (DPNI) accomplishes the goal of removing oxygen from sprinkler system piping using fill and purge breathing, which is a patented pressure cycling process unique to ECS. This process occurs automatically while the fire ...
